英汉例句

• This paper presents a novel detecting method for harmonics and reactive current in single-phase active power filter based on calculation of the real part of the fundamental load current.

  本文提出了一种单相有源电力滤波器谐波和无功电流检测的新方法—负荷电流基波有功分量法。

• It improves the quality reactive current compensation effectively and the power factor highly with lower capacitor costing and switching frequency.

  它不仅有效地提高无功电流的补偿质量，改善了供电系统的功率因数，而且并联电容的成本和投切频率都很低。

• How to define instantaneous reactive current and reactive power in three-phase non-sinusoidal asymmetrical systems is still a concerned problem by academia.

  如何定义三相系统的瞬时无功电流、瞬时无功功率一直是学术界关心的问题。

• Detection of harmonic and reactive current is very crucial to harmonic restraint and reactive compensate.

  谐波和无功检测是进行谐波抑制和无功功率补偿的关键技术。

• It is concluded that the harmonic and reactive current detection behave as just a feed-forward signal in this closed-loop, and it is incapable of improving the compensation accuracy in steady-state.

  结果表明谐波及无功检测信号只不过是电容电压闭环系统中的一个前馈补偿信号，其存在不但不能提高反而影响谐波及无功的稳态和动态补偿精度。

• Its key technology is the current compensation object detected in the other harmonics and reactive current component.

  它的关键技术是检测出补偿对象电流中的谐波和无功等电流分量。

• Based on the instantaneous reactive power theory, the method of detecting reactive current of agricultural power network is studied.

  基于瞬时无功功率理论，对农用电网无功电流的检测方法进行了研究。

• The dominant harmonic detecting method is summarized in this paper and a modified technique based on synchronous reference is proposed for accurate harmonic and reactive current detection.

  文中总结了当前主流的谐波检测方法，提出了一种用于谐波和无功準确检测的改进同步坐标系法。

• Secondly, in this thesis, a structure of BP Neural Network for detecting reactive current is designed and the corresponding algorithm is given.

  其次，论文引入了神经网络，设计了用于无功电流检测的BP神经网络结构，并给出了相应算法。

• A new method is proposed, based on the instantaneous reactive power theory, to detect high frequency harmonic current and instantaneous reactive current applying high pass filter simultaneously.

  基于瞬时无功功率理论提出了一种应用高通滤波器同时检测高次谐波电流和无功电流的新方法。

• In this paper, based on the orthogonality of sine function, a detection approach of generalized reactive current suitable for both the single phase and three phase active power filters is presented.

  本文根据正弦函数的正交特性，提出了一种既适用于单相也适用于三相有源电力滤波器的广义无功电流检测方法。

• The instantaneous reactive power theory is widely used in the detections of harmonic and reactive current in three-phase active power filter.

  在该控制系统中实施了基于瞬时无功理论的瞬时功率和瞬时电流的检测算法以及一种开闭环相结合的复合控制策略。

• In order to make grid inverter adjust active and reactive power smoothly, a closed-loop with decoupled active and reactive current is implemented.

  为了使得并网变流器具有动态无功、有功功率的平滑调节能力，选用了有功电流、无功电流解耦的电流闭环控制结构。

• This function is sometimes called active and reactive current compensation or line drop compensation.

  有功和无功电流补偿或线路压降补偿。

• Based on the analysis of its system structure, a detection algorithm of single-phase dynamic reactive current is presented and applied to STATCOM.

  通过分析单相动态无功补偿系统结构，提出了一种新型的单相动态无功电流检测算法，并将其应用于静止同步补偿器。

• The simulation and experimental results demonstrate that the proposed system can compensate harmonic current and reactive current generated by harmonic current source loads.

  仿真和实验研究证明这种电力有源滤波器能够消除谐波电流源型负载产生的无功电流和谐波电流。

• A unified model for harmonics and reactive current closed-loop or open-loop detection was established based on instantaneous reactive power theory.

  基于瞬时无功功率理论建立了谐波及无功电流检测系统闭环、开环的统一模型。

• Instantaneous reactive power theory applied on harmonic and reactive current real-time detection is presented in this paper.

  介绍了瞬时无功功率理论在谐波和无功电流实时检测方面的应用。

• Then, adopting reactive current margin and harmonics as control and protection variable, an expert system was formed to control thyristor switched capacitor.

  以无功电流差补值作为控制参量，并以高次谐波电流作为谐振保护信号，由专家系统给出投切无功补偿电容的控制指令。